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In a way, it’s startling how universal sleep is: In the midst of the hurried scramble for survival, across eons of bloodshed and death and flight, uncountable millions of living things have laid themselves down for a nice, long bout of unconsciousness. This hardly seems conducive to living to fight another day.

such a risky habit is so common, and so persistent, suggests that whatever is happening is of the utmost importance. Whatever sleep gives to the sleeper is worth tempting death over and over again, for a lifetime.

“What is so important that you risk being eaten, not eating yourself, procreation ... for this?”

fine line between procrastination and being “pressure prompted.” If you’re like me and pressure prompted, you are someone who often does your best work when faced with a looming deadline. While being pressure prompted may entail a bit of procrastination, it is procrastination within acceptable limits. In other words, it is a set of conditions that offers just enough pressure to ensure you’re at the top of your game without divulging into chaos or most importantly, impacting other members of your team by preventing them from delivering their best work in a timely manner.

Procrastination is a condition that has consequences on one’s mental and physical health and performance at school and in the workplace.

Piers Steel defines procrastination as “a self-regulatory failure leading to poor performance and reduced well-being.” Notably, Steel further emphasizes that procrastination is both common (80% to 90% of college-age students suffer from it at least some of the time) and something most people (95%) wish to overcome.

the value of being aware of our ignorance has been a recurring theme in Western thought: René Descartes said it’s necessary to doubt all things to build a solid foundation for science; and Ludwig Wittgenstein, reflecting on the limits of language, said that “the difficulty in philosophy is to say no more than we know.”

Sometimes, when it appears that someone is expressing doubt, what he is really doing is recommending a course of action. For example, if I tell you that I don’t know whether there is milk in the fridge, I’m not exhibiting philosophical wisdom — I’m simply recommending that you check the fridge before you go shopping.

According to NASA, at least 97 percent of actively publishing climate scientists think that “climate-warming trends over the past century are extremely likely caused by human activities.”

It also recognized a potentially life-threatening aspect of campus culture: Penn Face. An apothegm long used by students to describe the practice of acting happy and self-assured even when sad or stressed, Penn Face is so widely employed that it has showed up in skits performed during freshman orientation.

While the appellation is unique to Penn, the behavior is not. In 2003, Duke jolted academe with a report describing how its female students felt pressure to be “effortlessly perfect”: smart, accomplished, fit, beautiful and popular, all without visible effort. At Stanford, it’s called the Duck Syndrome. A duck appears to glide calmly across the water, while beneath the surface it frantically, relentlessly paddles.

Citing a “perception that one has to be perfect in every academic, cocurricular and social endeavor,” the task force report described how students feel enormous pressure that “can manifest as demoralization, alienation or conditions like anxiety or depression.”

When presented with potential gains, highly loss-averse participants showed intensifying activity in their ventral striatums, and their game play improved. But when they had an opportunity to win $100, their performance declined precipitously. They choked. Their counterparts with low loss aversion — who ought to have been unfazed by the prospect of losing their money — did better in all of their games, except when they were faced with losing $100. Then they choked, consistently.

People supposed to be strongly hostile to losing choked only when they might win; people supposed to be unfazed by losses fell apart only when faced with losing.

But the results indicate that how someone frames a high-pressure situation, and whether winning or losing is emphasized, affect performance.

The Women’s March on Saturday, which took place in cities and towns all across the United States (and around the world), may well have been the largest protest in American history. There were an estimated 3.5 million participants.

After studying protests over the last two decades, I have to deliver some bad news: In the digital age, the size of a protest is no longer a reliable indicator of a movement’s strength.

A protest does not have power just because many people get together in one place. Rather, a protest has power insofar as it signals the underlying capacity of the forces it represents.

At the center of your brain, a clump of nerves—called the suprachiasmatic nucleus—oversees your body’s clock: the circadian rhythm. It determines when you feel sleepy and when you feel bright-eyed. It controls your blood pressure, your body temperature, and your sense of time. It turns your body into a finely tuned machine.

Your sleep-wake cycle is regulated by a protein called PER. The protein level rises and falls each day, peaking in the evening and plummeting at night. When PER levels are low, your blood pressure drops, heart rate slows, and thinking becomes foggier. You get sleepy. If you follow a diligent sleep routine—waking up the same time every day—your body learns to increase your PER levels in time for your alarm. About an hour before you’re supposed to wake up, PER levels rise (along with your body temperature and blood pressure). To prepare for the stress of waking, your body releases a cocktail of stress hormones, like cortisol. Gradually, your sleep becomes lighter and lighter.  And that’s why you wake up before your alarm. Your body hates your alarm clock. It’s jarring. It’s stressful. And it ruins all that hard work. It defeats the purpose of gradually waking up. So, to avoid being interrupted, your body does something amazing: It starts increasing PER and stress hormones earlier in the night. Your body gets a head start so the waking process isn’t cut short. It’s so precise that your eyelids open minutes—maybe even seconds—before the alarm goes off.

if you don’t wake before your alarm, you probably aren’t getting enough sleep—or you aren’t sleeping on a consistent schedule

The Democratic presidential candidate Martin O’Malley wants to raise capital gains taxes. His rival Bernie Sanders seeks to tax stock trades and increase personal income tax rates.

But they also reflect a broader shift in tax politics that is rippling through the Republican world, too. Pressure to raise taxes, at least on the wealthy, is rising.

The Tea Party push to slash spending has lost steam and generated a backlash. Defense hawks want more money for the Pentagon, while other Republicans seek additional cash for highway projects. The largest potential targets for further cuts, Social Security and Medicare for the elderly, are hardly politically inviting.

Many animals store food to use in times of scarcity, but humans are stockpilers too — individuals routinely keep money in the bank (or under their mattress) and cans in the pantry. However, in some individuals, this collecting behavior is taken to extremes in the form of compulsive hoarding — collecting excessive amounts of objects that have little or no value. Preston found that, across species, including humans, anxiety and threats appear to increase the motivation to acquire and collect food and goods

Responses to positive and negative feedback in the ventral striatum were greatly reduced under stress as compared to when there was no stress, suggesting that stress may dampen your perception of the subjective value of a decision.

Gaining a better understanding of how stress affects decision making is critical not only for psychological science, but has important, real-world implications

In a brazen example of putting ideology ahead of reality, Senate Republicans seem to have pressured the Congressional Research Service to withdraw a report debunking conservative economic orthodoxy. Cutting tax rates at the top appears “to have little or no relation to the size of the economic pie,” the report said. “However, the top tax rate reductions appear to be associated with the increasing concentration of income at the top of the income distribution.” So charging the rich lower tax rates doesn’t promote economic growth; it merely increases economic inequality.

The CRS is a highly respected, independent agency that prepares reports for members of Congress and routinely issues findings that disappoint or even irritate their clients, who usually just grin and bear it, or at least bear it. But Congressional Republicans seem to think that the CRS should function like Pravda.

Don Stewart, a spokesman for the Senate Republican leader, Mitch McConnell, said Mr. McConnell and other senators “raised concerns about the methodology and other flaws” in the CRS report. Antonia Ferrier, a spokeswoman for the Senate Finance Committee, said the panel had relayed its objections to the CRS. “We had a good discussion,” she said, “Then it was pulled.”

David Riesman spent the first half of his career writing one of the most important books of the twentieth century. He spent the second half correcting its pervasive misprision. “The Lonely Crowd,” an analysis of the varieties of social character that examined the new American middle class

the “profound misinterpretation” of the book as a simplistic critique of epidemic American postwar conformity via its description of the contours of the “other-directed character,” whose identity and behavior is shaped by its relationships.

he never meant to suggest that Americans now were any more conformist than they ever had been, or that there’s even such a thing as social structure without conformist consensus.

“What are the necessary social and psychological conditions that allow populists of Hitler’s ilk to gain a mass following and attain power?”

“There are certain traits you can recognize that Hitler and Trump have in common,” Ullrich says. “I would say the egomania, the total egocentricity of both men, and the inclination to mix lies and truth – that was very characteristic of Hitler.”

Like Trump, “Hitler exploited peoples’ feelings of resentment towards the ruling elite.” He also said he would make Germany great again. Ullrich also notes both men’s talent at playing the media, making use of new technology and their propensity for stage effects.

Academics need to publish in order to advance professionally, get better jobs or secure tenure.

There is a solution, however, to psychic numbing: Think small. In the fund-raising business, there’s an old axiom that “one is greater than one million.” This isn’t bad math; it is a reminder that when it comes to people in need, one million is a statistic, while one is a human story.

As we head into 2017, do you want a solution better than “Screw ’em”? Maybe your problem is that you are thinking too big. This year, start with one, not one million. It might just be a happy new year after all.

Amazon is a global superstore, like Walmart. It’s also a hardware manufacturer, like Apple, and a utility, like Con Edison, and a video distributor, like Netflix, and a book publisher, like Random House, and a production studio, like Paramount, and a literary magazine, like The Paris Review, and a grocery deliverer, like FreshDirect, and someday it might be a package service, like U.P.S. Its founder and chief executive, Jeff Bezos, also owns a major newspaper, the Washington Post. All these streams and tributaries make Amazon something radically new in the history of American business

Amazon is not just the “Everything Store,” to quote the title of Brad Stone’s rich chronicle of Bezos and his company; it’s more like the Everything. What remains constant is ambition, and the search for new things to be ambitious about.

It wasn’t a love of books that led him to start an online bookstore. “It was totally based on the property of books as a product,” Shel Kaphan, Bezos’s former deputy, says. Books are easy to ship and hard to break, and there was a major distribution warehouse in Oregon. Crucially, there are far too many books, in and out of print, to sell even a fraction of them at a physical store. The vast selection made possible by the Internet gave Amazon its initial advantage, and a wedge into selling everything else.

Researchers who surveyed 6,200 lawyers about their jobs and health found that the factors most frequently associated with success in the legal field, such as high income or a partner-track job at a prestigious firm, had almost zero correlation with happiness and well-being. However, lawyers in public-service jobs who made the least money, like public defenders or Legal Aid attorneys, were most likely to report being happy.

the two groups reported about equal overall satisfaction with their lives.

The problem with the more prestigious jobs, said Mr. Krieger, is that they do not provide feelings of competence, autonomy or connection to others

That was the purpose of a recent oral history event at the Royal Society, involving four senior scientists who began their careers in the 1960s and 1970s. Rather than simply reminiscing, they were asked to recall their publishing experiences in scientific periodicals over the last fifty years. How have things changed since they published their first paper?

It became clear that the hierarchy of journals has changed over the last fifty years, and the pressure to publish in those considered to have the highest impact has increased considerably, partly a result of the increased volume of data being produced and the need for readers to filter relevant information from the copious amounts of less pertinent stuff available.

What have also changed are the technologies available to write a paper. Frith related the process she went through in writing her first paper: “I wrote my papers by long hand and then typed them myself.” Writing a biological paper before computers is one thing, but Ashmore remembered the problems of producing mathematical formulae in a typed manuscript, explaining that “you wrote the paper and probably took it along to somebody to be typed… And then it came back with spaces where you had to write in the equations.”

Conservatives — with the backing, I have to admit, of many economists — normally argue that the market for labor is like the market for anything else. The law of supply and demand, they say, determines the level of wages, and the invisible hand of the market will punish anyone who tries to defy this law.

Specifically, this view implies that any attempt to push up wages will either fail or have bad consequences. Setting a minimum wage, it’s claimed, will reduce employment and create a labor surplus, the same way attempts to put floors under the prices of agricultural commodities used to lead to butter mountains, wine lakes and so on

Pressuring employers to pay more, or encouraging workers to organize into unions, will have the same effect.

Anxiety has now surpassed depression as the most common mental health diagnosis among college students, though depression, too, is on the rise. More than half of students visiting campus clinics cite anxiety as a health concern,

Nearly one in six college students has been diagnosed with or treated for anxiety within the last 12 months

The causes range widely, experts say, from mounting academic pressure at earlier ages to overprotective parents to compulsive engagement with social media.